| GENERAL PRODUCT RANGE |
Power Rating |
|
|
Product Range, kVA: |
150 to 20000 |
Typical Values, kVA: |
| 150 |
300 |
500 |
1000 |
1500 |
2000 |
2500 |
3000 |
3750 |
5000 |
7500 |
10000 |
12000 |
15000 |
20000 |
|
Primary Voltage |
|
Product Range, kV: |
|
Typical Values, kV: |
| 2.3 |
5.0 |
8.7 |
15.0 |
25.0 |
34.5 |
|
Secondary Voltage |
|
Product Range, kV: |
|
Typical Values, V: |
| 208 |
240 |
480 |
2400 |
4600 |
6900 |
12470 |
13200 |
13800 |
|
Impedence |
5.5% to 7.5% as a function of the HV, LV, and BIL ratings |
Standard Product Features |
- Both HV & LV windings vacuum cast in epoxy
- Step-lap mitered cruciform core
- 185 °C Cast epoxy insulation system
- Vibration isolators protecting core & coil
- UL listed
|
| STANDARD PRODUCT SPECIFICATIONS AND AVAILABLE OPTIONS |
| Requirement |
Applicability of Requirement |
Design Value |
| Basic Impulse Levels, BIL |
Rated voltages for transformer winding: 1.2kV |
10 kV |
20, 30 kV |
| (specified as a function of transformer winding voltage) |
Rated voltages for transformer winding: 2.5kV |
30 kV |
45 kV |
| |
Rated voltages for transformer winding: 2.5kV |
60 kV |
75 kV |
| |
Rated voltages for transformer winding: 8.7kV |
75 kV |
95 kV |
| |
Rated voltages for transformer winding: 15kV |
95 kV |
10 kV |
| |
Rated voltages for transformer winding: 25kV |
125 kV |
150 kV |
| |
Rated voltages for transformer winding: 34.5kV |
150 kV |
170 kV |
| Winding Temperature Rise, °C |
For all power ratings and voltage classes |
80 °C |
115 °C |
| Forced Air Rating |
Transformers rated 150-3750 kVA |
133% |
150% |
| |
Transformers rated greater than 3750 kVA |
133% |
140% |
| Conductor Material |
For all power ratings and voltage classes |
Copper |
Aluminum |
| Maximum Operating Ambient Temperature |
Operating ambient temperature range -40 °C to 30 °C average, with specified maximum |
40 °C max |
50 °C max |